You can enjoy the best of Hot springs at any time and as much as you want, with a stay in Guest rooms with Hot springs open-air bath. You can spend such a luxurious time relaxing on a trip with your family, couples, and friends.

PopularGuest rooms with private Hot springs baths
Guest rooms with private Hot springs baths are extremely popular because they allow guests to enjoy the hot Hot springs freely and without any worries during their stay. You can soak in Hot springs anytime in the privacy of your room, without having to worry about the crowds or bathing times in the public baths. These Guest rooms are especially recommended for trips focused on relaxing and rejuvenating in Hot springs, rather than those packed with sightseeing.

Family trips and couplesRecommended for couples as well
For families traveling with young children, the advantage is that you don't have to worry about the children crying or playing, you can finish bathing quickly, and you can easily adjust the temperature and time according to the child's condition. It's also ideal for practicing before the first time in a large public bath. For couples traveling together, it allows you to enjoy a luxurious Hot springs experience, and after bathing, you can relax in your room and enjoy conversation and the scenery.

Depending on the season and timeEnjoy the changing expressions
Enjoy expansive views from the ocean, river, or mountains – the scenery varies depending on the hotel and Guest rooms. The ocean offers a sense of openness and changes in its appearance from morning to evening, the mountains reflect the changing seasons, and the river provides soothing sounds and refreshing coolness. The scenery viewed from the open-air bath changes with the seasons and time of day, which is one of its charms. We encourage you to visit in different seasons and enjoy the ever-changing scenery.
Kanto
Ibaraki
KAMENOI HOTEL OARAI
*Reopening on July 18, 2025Enjoy a luxurious stay in a guest Guest rooms with an open-air bath, perfect for soaking up Hot springs near the sea. Guest rooms private open-air bath allows you to enjoy natural hot Hot springs at your leisure. Savor private Hot springs time in an open space where you can feel the sea breeze. This relaxing Hot springs inn is also a popular Guest rooms for sightseeing Oarai.
Tochigi
わんわんパラダイス プレミア 塩原(旧:亀の井ホテル 塩原 ワンちゃんの宿)
This Guest rooms offers Guest rooms with private Hot springs baths where you can stay with your dog. You can relax and enjoy Shiobara Onsen Hot springs in your own private open-air bath. The charm lies in being able to relax with your dog in a tranquil space surrounded by nature. These luxurious private Hot springs Guest rooms are popular for dog-friendly trips and Hot springs getaways.
Saitama
KAMENOI HOTEL NAGATORO YORII
This hotel in the Chichibu/Nagatoro area offers Guest rooms with private open-air Hot springs baths. Guest rooms can enjoy Hot springs while taking in the natural scenery from their private open-air baths. The private Hot springs, where you can bathe without worrying about time, are popular for anniversary trips and couples' getaways. It's a Hot springs inn where you can relax in a quiet environment.
Chubu
Nagano
Tateshina Grand Hotel Takinoyu
This resort hotel, surrounded by the natural beauty of Tateshina, is popular for Guest rooms featuring private Hot springs baths. Guests can enjoy Hot springs at their leisure in the private baths in Guest rooms. The spacious Guest rooms and open atmosphere, reminiscent of the surrounding forest, ensure a luxurious stay. This Hot springs hotel is highly recommended for trips to Shinshu (Nagano Prefecture) and highland resort stays.
Nagano
AZUMINO KOGEN RESORT
A deluxe cottage surrounded by the natural beauty of the Northern Alps, complete with a private open-air hot Hot springs bath. Enjoy the natural Hot springs at your leisure in your own private open-air bath, while breathing in the crisp air of Azumino. The spacious cottage-style Guest rooms offer a private, villa-like atmosphere. This luxurious cottage with Hot springs is perfect for relaxing family trips or group getaways.
Shizuoka
KAMENOI HOTEL ATAMI ANNEX
*Reopening on March 20, 2026This hotel is highly recommended for those looking for accommodation with a private open-air bath in Guest rooms in Atami. Guest rooms, which reopened on March 20, 2026, feature open-air baths overlooking Sagami Bay, allowing guests to enjoy Hot springs while taking in breathtaking views. Enjoy a relaxing resort stay in a private hot Hot springs that you can use at any time you like. Guest rooms are popular for couples' trips and anniversaries.
Shizuoka
KAMENOI HOTEL IZUKOGEN
This Hot springs hotel in Izukogen offers Guest rooms with private Hot springs baths. Guest rooms can enjoy natural hot Hot springs at their leisure in their own private open-air baths. Guest rooms boasts a quiet location surrounded by nature and spacious rooms. It is a popular choice for those who want to relax and enjoy an Izu trip or Hot springs getaway.
Nagano
Wanwan Paradise Azumino
This resort hotel in Azumino offers cottages with private open-air Hot springs baths. Guests can relax and enjoy natural Hot springs at their leisure in their private open-air baths. The spacious cottage-style Guest rooms offer a sense of privacy, making them popular for family and group trips. These luxurious cottages with private Hot springs are surrounded by nature.
Shizuoka
Dog Paradise Izukogen
This resort hotel in Izukogen is popular for its cottages with Hot springs where you can stay with your dog. Enjoy a relaxing time with your furry friend amidst a rich natural environment. The private space offered by the independent cottages is a major draw. This is a recommended place to stay for an Izu trip or Hot springs getaway with your dog.
Kinki
Mie
KAMENOI HOTEL TOBA
This hotel in Toba offers Guest rooms with private Hot springs baths. Enjoy Hot springs in Guest rooms own private open-air bath, allowing you to relax without worrying about your surroundings. With a tranquil atmosphere that evokes the feeling of the sea, it's also an ideal base for sightseeing in the Ise-Shima area. These popular Guest rooms are perfect for a relaxing Hot springs getaway.
Mie
Toba Ocean Resort (formerly Izumigo Hotel Altia Toba)
Toba A popular resort hotel with an open-air bath Guest rooms overlooking the ocean in the Guest rooms You can enjoy the ocean view while enjoying Hot springs the open-air bath. It is a luxurious space where you can spend your private Hot springs time, and is recommended Guest rooms for Ise-Shima trips and couple trips.
Hyogo
KAMENOI HOTEL AKO
This hotel boasts charming Guest rooms with Hot springs terrace baths offering stunning views of the Seto Inland Sea mountains. Guest rooms can enjoy natural Hot springs at their leisure while gazing at the mountain scenery stretching out beyond the terrace from their private open-air bath. With its spectacular Hot springs and tranquil Guest rooms, this hotel offers a truly luxurious stay. It's a highly recommended place to stay for a trip to Ako or Hot springs getaway.
Hyogo
KAMENOI HOTEL AWAJISHIMA
This Hot springs hotel on Awajishima offers Guest rooms with private open Hot springs baths. Guest rooms can relax and enjoy the hot Hot springs while feeling the sea breeze in their own private open-air bath. These private Guest rooms with hot Hot springs are popular for anniversary trips and family vacations. This hotel will make your island trip a truly special experience.
Nara
KAMENOI HOTEL NARA
Hot springs hotel in Nara offers Guest rooms with private natural Hot springs baths and panoramic views. Guest rooms can relax and enjoy the natural Hot springs at their leisure in their private baths. The hotel boasts a tranquil environment that evokes the history of the ancient capital of Nara, and spacious Japanese-Western style rooms. Guest rooms are highly recommended for Nara sightseeing and Hot springs getaways.
Wakayama
KAMENOI HOTEL NACHI KATSUURA
This Hot springs inn in Nachikatsuura offers Guest rooms with private open Hot springs baths. Guest rooms can enjoy the famous hot springs at their leisure in their own private open-air bath. The tranquil setting, surrounded by the sea and nature, is a major draw. Guest rooms are popular for Kumano sightseeing and Hot springs getaways.
Kyushu
Kumamoto
KAMENOI HOTEL ASO
This hotel features Guest rooms with private Hot springs baths, allowing you to fully enjoy the natural beauty of Aso. In Guest rooms, you can relax in the refreshing Aso air while soaking in Hot springs. Enjoy a luxurious stay with a private hot Hot springs that you can use at any time you like. Guest rooms are highly recommended for Aso sightseeing and Hot springs getaways.
A hotel where you can enjoy Hot springs